The percentage of the global population that smokes every day has decreased, but the number of cigarette smokers worldwide has increased due to population growth, according to new research from UW's...

Kevin Haggerty graduated from high school in 1977 – among the foggiest, Cheech-and-Chongiest years ever in terms of U.S. teens smoking marijuana, government data says. For more than 25 years, he has...

Increasing health expenditures by $5 per person per year over the next two decades in 74 countries could yield up to nine times that value in economic and social benefits, according to a recent study...